Roof coupling plate



FIG. 1 is a top perspective view of a roof coupling plate showing my new design;

FIG. 2 is a front view, the rear view being a mirror image thereof,

FIG. 3 is a top view thereof;

FIG. 4 is a right side view, the left side view being a mirror image thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a top perspective view thereof, showing the roof coupling plate in an environment of use.

The broken lines in FIG. 6 depicting bolts and a pipe represent environmental subject matter only and form no part of the claimed design. 

CLAIM The ornamental design for a roof coupling plate, as shown and described. 